Forum: GNU Radio (no subject)

Dear Guys,        I encounter one strange problem, I can use usrp to 
receive signal but cannot transmit signal. My usrp is USRP2 and gnuradio 
version 3.2.2.       When running ursp2_siggen.py, it do not return any 
error but when I use a spectrum analysis, it shows no signal is 
transmitted.       When running benchmark_tx.py and bbn80211_tx.py, it 
also reports no error, but there is no signal sent out.       Do you 
guys have any advice?       Thank you.

 =================================
Xiangwei Zheng
Research Assistant
ECE Department, Virginia Tech
Office: Durham Hall 365
Tel: 540-553-6235

Note, when I runursp2_fft.pybbn80211_rx.py
They work well. So I know the RX part is OK 
=================================
Xiangwei Zheng
Research Assistant
ECE Department, Virginia Tech
Office: Durham Hall 365
Tel: 540-553-6235




From: zxwmit@hotmail.com
To: discuss-gnuradio@gnu.org
Subject:
Date: Thu, 6 Dec 2012 19:14:01 +0000




Dear Guys,        I encounter one strange problem, I can use usrp to 
receive signal but cannot transmit signal. My usrp is USRP2 and gnuradio 
version 3.2.2.       When running ursp2_siggen.py, it do not return any 
error but when I use a spectrum analysis, it shows no signal is 
transmitted.       When running benchmark_tx.py and bbn80211_tx.py, it 
also reports no error, but there is no signal sent out.       Do you 
guys have any advice?       Thank you.

 =================================
Xiangwei Zheng
Research Assistant
ECE Department, Virginia Tech
Office: Durham Hall 365
Tel: 540-553-6235

Which port is your antenna connected to? In SBX/WBX daughterboards, you 
can
only transmit through Tx/Rx. However, you can receive through both Tx/Rx
and Rx2.

This might not be related to your problem. But just checking.

Thanks,

Nazmul

On Thu, Dec 6, 2012 at 2:14 PM, zhengxiangwei <zxwmit@hotmail.com> 
wrote:

>
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>


--
Muhammad Nazmul Islam

Graduate Student
Electrical & Computer Engineering
Wireless Information & Networking Laboratory
Rutgers, USA.